Phosphorus sulfide (P2S5) → HCID 22762185, compound

Participants

Reaction Conditions

Reaction Steps

To a solution of 8-chloro-6-phenyl-imidazo[1,5-d]-as-triazine-4(3H)-one (5.84) gm.) in pyridine (100 ml.) is added phosphorus pentasulfide (5 gm.) The mixture is heated at 100° C for 6 hours, filtered hot, and poured into dilute hydrochloric acid. The title product is isolated as a solid.

Provenance & Evidence